1301:7-7-46
Construction requirements for existing buildings.

(1)
4601.1 Scope. The provisions of this rule shall apply to
existing buildings constructed prior to the adoption of this code in accordance
with paragraph (B)(1)(c)(102 1) of rule
1301:7-7-01 of the
Administrative Code. The provisions of this rule shall not apply to existing
buildings unless the conditions at the building constitute a distinct hazard to
life or property in the opinion of the fire code official in accordance with
paragraph (B)(1)(c)(102 1) of rule
1301:7-7-01 of the
Administrative Code.

Exception: The provisions of paragraph
(D)(4604) of this rule shall apply to all existing buildings.

(2)
4601.2
Intent. The intent of this rule is to provide a minimum degree of fire and life
safety to persons occupying existing buildings by providing for alterations to
such buildings that do not comply with the minimum requirements of the building
code as listed in rule
1301:7-7-47 of the
Administrative Code.

(3)
4601.3 Permits. Permits shall be required as set forth
in rule
1301:7-7-01 of the
Administrative Code and the building code as listed in rule
1301:7-7-47 of the
Administrative Code and this code.

(4)
4601.4 Owner
notification. Where a building is found to be in noncompliance, the fire code
official shall duly notify the owner of the building. Upon receipt of such
notice, the owner shall, subject to the following time limits, take necessary
actions to comply with the provisions of this rule.

(a)
4601.4.1
Construction documents. Construction documents for the necessary alterations
shall be completed within a time schedule approved by the fire code
official.

(b)
4601.4.2 Completion of work. Work on the required
alterations to the building shall be completed within a time schedule approved
by the fire code official.

(c)
4601.4.3
Extension of time. The fire code official is authorized to grant necessary
extensions of time when it can be shown that the specified time periods are not
physically practical or pose an undue hardship. The granting of an extension of
time for compliance shall be based on the showing of good cause and subject to
the filing of an acceptable systematic plan of correction with the fire code
official.

(1)
4603.1 Required construction. Existing buildings shall
comply with not less than the minimum provisions specified in Table 4603.1 of
this rule and as further enumerated in paragraphs (C)(2)( 4603.2 ) to
(C)(7)(c)(4603.7.3) of this rule.

The provisions of this rule shall not
be construed to allow the elimination of fire protection systems or a reduction
in the level of fire safety provided in buildings constructed in accordance
with previously adopted codes.

Exception: Group U occupancies do not
need to comply.

Table 4603.1

Occupancy and use
requirements

Section

Use

Occupancy
classification

High Rise

Atrium and
CoveredMall

Under ground
Building

A

B

E

F

H-1

H-2

H-3

H-4

H-5

I-1

I-2

I-3

I-4

M

R-1

R-2

R-3

R-4

S

4603.2

R

---

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

4603.3.1

R

---

R

--

--

--

--

--

--

--

--

--

R

R

R

R

--

--

--

--

--

--

4603.3.2

R

---

R

R

R

R

R

R

R

R

R

R

--

--

--

--

R

R

R

--

R

R

4603.3.3

R

---

R

R

R

R

R

R

R

R

R

R

--

--

--

--

R

R

R

--

R

R

4603.3.4

---

R

---

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

4603.3.5

---

---

---

--

R

--

--

--

--

--

--

--

--

--

--

--

R

--

--

--

--

--

4603.3.6

---

---

---

R

--

R

R

R

R

R

R

R

R

R

R

R

--

R

R

R

R

R

4603.3.7

---

---

---

R

--

R

R

R

R

R

R

R

R

R

R

R

--

R

R

R

R

R

4603.4

---

---

---

R

--

--

R

--

R

R

--

--

--

--

--

--

--

--

--

--

--

--

4603.5

R

---

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

--

R

R

4603.6.1

---

---

---

--

--

R

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

4603.6.2

---

---

---

--

--

--

--

--

--

--

--

--

R

--

--

--

--

--

--

--

--

--

4603.6.3

---

---

---

--

--

--

--

--

--

--

--

--

--

R

--

--

--

--

--

--

--

--

4603.6.4

---

---

---

--

--

--

--

--

--

--

--

--

--

--

R

--

--

--

--

--

--

--

4603.6.5

---

---

---

--

--

--

--

--

--

--

--

--

--

--

--

--

--

R

--

--

--

--

4603.6.6

---

---

---

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

R

--

--

--

4603.6.7

---

---

---

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

R

--

4603.7

---

---

---

--

--

--

--

--

--

--

--

--

--

--

--

--

--

R

R

R

R

--

4604

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

R

(2)
4603.2 Elevator operation. Existing elevators with a
travel distance of 25 feet (7620 mm) or more above or below the main floor or
other level of a building and intended to serve the needs of emergency
personnel for fire-fighting or rescue purposes shall be provided with emergency
operation in accordance with ASME A 17.3 as listed in rule
1301:7-7-47 of the
Administrative Code.

(3)
4603.3 Vertical openings. Interior vertical shafts,
including but not limited to stairways, elevator hoistways, service and utility
shafts, that connect two or more stories of a building shall be enclosed or
protected as specified in paragraphs (C)(3)(a)(4603.3.1) to (C)(3)(g)(4603.3.7)
of this rule.

(a)
4603.3.1 Group I occupancies. In Group I occupancies,
interior vertical openings connecting two or more stories shall be protected
with 1 hour fire-resistance rated construction.

(b)
4603.3.2 Three
to five stories. In other than Group I occupancies, interior vertical openings
connecting three to five stories shall be protected by either 1-hour
fire-resistance-rated construction or an automatic sprinkler system shall be
installed throughout the building in accordance with paragraph
(C)(3)(a)(i)(903.3.1.1) or (C)(3)(a)(ii)(903.3.1.2) of rule
1301:7-7-09 of the
Administrative Code.

Exceptions:

1.
Vertical opening
protection is not required for Group R-3 occupancies.

2.
Vertical opening
protection is not required for open parking garages and ramps.

(d)
4603.3.4 Atriums
and covered malls. In other than Group I occupancies, interior vertical
openings in a covered mall building or a building with an atrium shall be
protected by either 1-hour fire-resistance-rated construction or an automatic
sprinkler system shall be installed throughout the building in accordance with
paragraph (C)(3)(a)(i)(903.3.1.1) or (C)(3)(a)(ii)(903.3.1.2) of rule
1301:7-7-09 of the
Administrative Code.

Exceptions:

1.
Vertical opening
protection is not required for Group R-3 occupancies.

2.
Vertical opening
protection is not required for open parking garages and ramps.

(e)
4603.3.5 Escalators in Group B and M occupancies. Escalators creating vertical
openings connecting any number of stories shall be protected by either 1-hour
fire-resistance-rated construction or an automatic fire sprinkler system in
accordance with paragraph (C)(3)(a)(i)(903.3.1.1) of rule
1301:7-7-09 of the
Administrative Code installed throughout the building, with a draft curtain and
closely spaced sprinklers around the escalator opening.

(f)
4603.3.6
Escalators connecting four or fewer stories. In other than Group B and M
occupancies, escalators creating vertical openings connecting four or fewer
stories shall be protected by either 1-hour fire-resistance-rated construction
or an automatic sprinkler system in accordance with paragraph
(C)(3)(a)(i)(903.3.1.1) or
(C)(3)(a)(ii)(903.3.1.2) of rule
1301:7-7-09 of the
Administrative Code shall be installed throughout the building, and a draft
curtain with closely spaced sprinklers shall be installed around the escalator
opening.

(g)
4603.3.7 Escalators connecting more than four stories.
In other than Group B and M occupancies, escalators creating vertical openings
connecting five or more stories shall be protected by 1 hour fire-resistance
rated construction.

(4)
4603.4 Sprinkler
systems. An automatic sprinkler system shall be provided in all existing
buildings in accordance with paragraphs (C)(4)(a)(4603.4.1) and
(C)(4)(b)(4603.4.2) of this rule.

(a)
4603.4.1 Pyroxylin plastics. An automatic sprinkler
system shall be provided throughout existing buildings where cellulose nitrate
film or pyroxylin plastics are manufactured, stored or handled in quantities
exceeding 100 pounds (45 kg). Vaults located within buildings for the storage
of raw pyroxylin shall be protected with an approved automatic sprinkler system
capable of discharging 1.66 gallons per minute per square foot (68
L/min/m2) over the
area of the vault.

(b)
4603.4.2 Group I-2. An automatic sprinkler system
shall be provided throughout existing Group I-2 fire areas. The sprinkler
system shall be provided throughout the floor where the Group I-2 occupancy is
located, and in all floors between the Group I-2 occupancy and the level of
exit discharge.

(5)
4603.5
Standpipes. Existing structures with occupied floors located more than 50 feet
(15 240 mm) above or below the lowest level of fire department vehicle access
shall be equipped with standpipes installed in accordance with paragraph
(E)(905) of rule
1301:7-7-09 of the
Administrative Code. The standpipes shall have an approved fire department
connection with hose connections at each floor level above or below the lowest
level of fire department access. The fire code official is authorized to
approve the installation of manual standpipe systems to achieve compliance with
this paragraph where the responding fire department is capable of providing the
required hose flow at the highest standpipe outlet.

(6)
4603.6 Fire
alarm systems. An approved fire alarm system shall be installed in existing
buildings and structures in accordance with paragraphs (C)(6)(a)(4603.6.1) to
(C)(6)(g)(4603.6.7) of this rule and provide occupant notification in
accordance with paragraph (G)(6)( 907.6 ) of rule
1301:7-7-09 of the
Administrative Code unless other requirements are provided by other paragraphs
of this code.

(a)
4603.6.1 Group
E. A fire alarm system shall be installed in existing Group E occupancies in
accordance with paragraph (G)(2)(c)(907.2.3) of rule
1301:7-7-09 of the
Administrative Code.

Exceptions:

1.
A manual fire
alarm system is not required in a building with a maximum area of 1,000 square
feet (93 m2) that
contains a single classroom and is located no closer than 50 feet (15 240 mm)
from another building.

2.
A manual fire alarm system is not required in Group E
occupancies with an occupant load less than 50.

(b)
4603.6.2 Group
I-1. An automatic fire alarm system shall be installed in existing Group I-1
residential care/assisted living facilities in accordance with paragraph
(G)(2)(f)(i)(907.2.6.1) of rule
1301:7-7-09 of the
Administrative Code.

Exceptions:

1.
Manual fire alarm
boxes in resident or patient sleeping areas shall not be required at exits if
located at all nurses' control stations or other constantly attended staff
locations, provided such stations are visible and continuously accessible and
that travel distances required in paragraph (G)(5)(b)(907.5.2) of rule
1301:7-7-09 of the
Administrative Code are not exceeded.

2.
Where each
sleeping room has a means of egress door opening directly to an exterior
balcony that leads directly to the exits in accordance with paragraph (S)(1019)
of rule
1301:7-7-10 of the
Administrative Code, and the building is not more than three stories in
height.

(c)
4603.6.3 Group I-2. An automatic fire alarm system
shall be installed in existing Group I-2 occupancies in accordance with
paragraph (G)(2)(f)(ii)(907.2.6.2) of rule
1301:7-7-09 of the
Administrative Code.

Exception: Manual fire alarm boxes in
resident or patient sleeping areas shall not be required at exits if located at
all nurses' control stations or other constantly attended staff locations,
provided such stations are visible and continuously accessible and that travel
distances required in paragraph (G)(5)(b)(907.5.2) of rule
1301:7-7-09 of the
Administrative Code are not exceeded.

(d)
4603.6.4 Group
I-3. An automatic and manual fire alarm system shall be installed in existing
Group I-3 occupancies in accordance with paragraph (G)(2)(f)(iii)(907.2.6.3) of
rule 1301:7-7-09 of the
Administrative Code.

(e)
4603.6.5 Group R-1. A fire alarm system and smoke
alarms shall be installed in existing Group R-1 occupancies in accordance with
paragraphs (C)(6)(e)(i)(4603.6.5.1) to (C)(6)(e)(ii)(a)(4603.6.5.2.1) of this
rule.

(i)
4603.6.5.1 Group R-1 hotel and motel manual fire alarm system. A manual fire
alarm system that activates the occupant notification system in accordance with
paragraph (G)(6)( 907.6 ) of rule
1301:7-7-09 of the
Administrative Code shall be installed in existing Group R-1 hotels and motels
more than three stories or with more than 20 sleeping units.

Exceptions:

1.
Buildings less
than two stories in height where all sleeping units, attics and crawl spaces
are separated by 1-hour fire-resistance-rated construction and each sleeping
unit has direct access to a public way, exit court or yard.

2.
Manual fire alarm
boxes are not required throughout the building when the following conditions
are met:

2.1.
The building is equipped throughout with an automatic
sprinkler system installed in accordance with paragraph (C)(3)(a)(i)(903.3.1.1)
or (C)(3)(a)(ii)(903.3.1.2) of rule
1301:7-7-09 of the
Administrative Code.

2.2.
The notification appliances will activate upon
sprinkler water flow; and

2.3.
At least one
manual fire alarm box is installed at an approved location.

(a) 4603.6.5.1.1 Group R-1 hotel and motel automatic smoke
detection system. An automatic smoke detection system that activates the
occupant notification system in accordance with paragraph (G)(6)( 907.6 ) of
rule 1301:7-7-09 of the
Administrative Code shall be installed in existing Group R-1 hotels and motels
throughout all interior corridors serving
sleeping rooms not equipped with an approved,
supervised sprinkler system installed in accordance with paragraph (C)(903) of rule
1301:7-7-09 of the Administrative Code.

Exception: An automatic smoke detection
system is not required in buildings that do not
have interior corridors serving sleeping units
and where each sleeping unit has a means of
egress door opening directly to an exit or to anexterior exit access that leads directly to an exit.

(ii)
4603.6.5.2 Group R-1 boarding and rooming houses
manual fire alarm system. A manual fire alarm system that activates the
occupant notification system in accordance with paragraph (G)(6)( 907.6 ) of
rule 1301:7-7-09 of the
Administrative Code shall be installed in existing Group R-1 boarding and
rooming houses.

Exception: Buildings less than two
stories in height where all sleeping units, attics and crawl spaces are
separated by 1-hour fire-resistance-rated construction and each sleeping unit
has direct access to a public way, exit court or yard.

(a) 4603.6.5.2.1 Group R-1 boarding and rooming houses
automatic smoke detection system. An automatic smoke detection system that
activates the occupant notification system in accordance with paragraph (G)(6)(
907.6 ) of rule
1301:7-7-09 of the
Administrative Code shall be installed in existing Group R-1 boarding and
rooming houses throughout all interior corridors serving sleeping units not
equipped with an approved, supervised sprinkler system installed in accordance
with paragraph (C)(903) of rule
1301:7-7-09 of the
Administrative Code.

Exception: Buildings equipped with
single-station smoke alarms meeting or exceeding the requirements of paragraph
(G)(2)(j)(i)(907.2.10.1) of rule
1301:7-7-09 of the
Administrative Code and where the fire alarm system includes at least one
manual fire alarm box per floor arranged to initiate the alarm.

(f)
4603.6.6 Group R-2. An automatic or manual fire alarm
system that activates the occupant notification system in accordance with
paragraph (G)(6)( 907.6 ) of rule
1301:7-7-09 of the
Administrative Code shall be installed in existing Group R-2 occupancies more
than three stories in height or with more than 16 dwelling or sleeping
units.

Exceptions:

1.
Where each living
unit is separated from other contiguous living units by fire barriers having a
fire-resistance rating of not less than 0.75 hour, and where each living unit
has either its own independent exit or its own independent stairway or ramp
discharging at grade.

2.
A separate fire alarm system is not required in
buildings that are equipped throughout with an approved supervised automatic
sprinkler system installed in accordance with paragraph (C)(3)(a)(i)(903.3.1.1)
or (C)(3)(a)(ii)(903.3.1.2) of rule
1301:7-7-09 of the
Administrative Code and having a local alarm to notify all occupants.

3.
A fire
alarm system is not required in buildings that do not have interior corridors
serving dwelling units and are protected by an approved automatic sprinkler
system installed in accordance with paragraph (C)(3)(a)(i)(903.3.1.1) or
(C)(3)(a)(ii)(903.3.1.2) of rule
1301:7-7-09 of the
Administrative Code, provided that dwelling units either have a means of egress
door opening directly to an exterior exit access that leads directly to the
exits or are served by open-ended corridors designed in accordance with
paragraph (W)(6)( 1023.6 ), exception 4 of rule
1301:7-7-10 of the
Administrative Code.

(g)
4603.6.7 Group
R-4. An automatic or manual fire alarm system that activates the occupant
notification system in accordance with paragraph (G)(6)( 907.6 ) of rule
1301:7-7-09 of the
Administrative Code shall be installed in existing Group R-4 residential
care/assisted living facilities in accordance with paragraph
(G)(2)(j)(907.2.10) of rule
1301:7-7-09 of the
Administrative Code.

Exceptions:

1.
Where there are
interconnected smoke alarms meeting the requirements of paragraph
(G)(2)(k)(907.2.11) of rule
1301:7-7-09 of the
Administrative Code and there is at least one manual fire alarm box per floor
arranged to continuously sound the smoke alarms.

(7)
4603.7 Single-
and multiple-station smoke alarms. Single- and multiple-station smoke alarms
shall be installed in existing Group R occupancies and in dwellings not
classified as Group R occupancies in accordance with paragraphs
(C)(7)(a)(4603.7.1) to (C)(7)(c)(4603.7.3) of this rule.

(a)
4603.7.1 Where
required. Existing Group R occupancies and dwellings not classified as Group R
occupancies not already provided with single-station smoke alarms shall be
provided with single-station smoke alarms. Installation shall be in accordance
with paragraph (G)(2)(j)(907.2.10) of rule
1301:7-7-09 of the
Administrative Code, except as provided in paragraphs (C)(7)(b)(4603.7.2) and
(C)(7)(c)(4603.7.3) of this rule.

(b)
4603.7.2
Interconnection. Where more than one smoke alarm is required to be installed
within an individual dwelling or sleeping unit, the smoke alarms shall be
interconnected in such a manner that the activation of one alarm will activate
all of the alarms in the individual unit. The alarm shall be clearly audible in
all bedrooms over background noise levels with all intervening doors
closed.

Exceptions:

1.
Interconnection
is not required in buildings that are not undergoing alterations, repairs or
construction of any kind.

2.
Smoke alarms in existing areas are not required to be
interconnected where alterations or repairs do not result in the removal of
interior wall or ceiling finishes exposing the structure, unless there is an
attic, crawl space or basement available which could provide access for
interconnection without the removal of interior finishes.

(c)
4603.7.3 Power source. Single-station smoke alarms shall receive their primary
power from the building wiring provided that such wiring is served from a
commercial source and shall be equipped with a battery backup. Smoke alarms
with integral strobes that are not equipped with battery backup shall be
connected to an emergency electrical system. Smoke alarms shall emit a signal
when the batteries are low. Wiring shall be permanent and without a
disconnecting switch other than as required for overcurrent protection.

Exceptions:

1.
Smoke alarms are
permitted to be solely battery operated in existing buildings where no
construction is taking place.

2.
Smoke alarms are
permitted to be solely battery operated in buildings that are not served from a
commercial power source.

3.
Smoke alarms are permitted to be solely battery
operated in existing areas of buildings undergoing alterations or repairs that
do not result in the removal of interior walls or ceiling finishes exposing the
structure, unless there is an attic, crawl space or basement available which
could provide access for building wiring without the removal of interior
finishes.

(1)
4604.1 General.
Means of egress in existing buildings shall comply with the minimum egress
requirements when specified in Table 4603.1 of this rule as further enumerated
in paragraphs (D)(2)( 4604.2 ) to (D)(21)( 4604.21 ) of this rule, and the
building code that applied at the time of construction. Where the provisions
conflict, the most restrictive provision shall apply. Existing buildings that
were not required to comply with a building code at the time of construction
shall comply with the minimum egress requirements when specified in Table
4603.1 of this rule as further enumerated in paragraphs (D)(2)( 4604.2 ) to
(D)(21)( 4604.21 ) of this rule, and, in addition, shall have a life safety
evaluation prepared, consistent with the requirements of paragraph
(D)(7)(b)(104.7.2) of rule
1301:7-7-01 of the
Administrative Code. The life safety evaluation shall identify any changes to
the means of egress that are necessary to provide safe egress to occupants and
shall be subject to review and approval by the fire code official. The building
shall be modified to comply with the recommendations set forth in the approved
evaluation.

(2)
4604.2 Elevators, escalators and moving walks.
Elevators, escalators and moving walks shall not be used as a component of a
required means of egress.

Exceptions:

1.
Elevators used as
an accessible means of egress where allowed by paragraph (G)(4)( 1007.4 ) of
rule 1301:7-7-10 of the
Administrative Code.

(3)
4604.3 Exit sign
illumination. Exit signs shall be internally or externally illuminated. The
face of an exit sign illuminated from an external source, shall have an
intensity of not less than 5 foot-candles (54 lux). Internally illuminated
signs shall provide equivalent luminance and be listed for the purpose.

(4)
4604.4 Power
source. Where emergency illumination is required in paragraph (D)(5)( 4604.5 )
of this rule, exit signs shall be visible under emergency illumination
conditions.

Exception: Approved signs that provide
continuous illumination independent of external power sources are not required
to be connected to an emergency electrical system..

(5)
4604.5 Illumination emergency power. The power supply for means of egress
illumination shall normally be provided by the premises' electrical supply. In
the event of power supply failure, illumination shall be automatically provided
from an emergency system for the following occupancies where such occupancies
require two or more means of egress:

Exception: Assembly occupancies used
exclusively as a place of worship and having an occupant load of less than
300.

2.
Group B buildings three or more stories in height,
buildings with 100 or more occupants above or below a level of exit discharge
serving the occupants or buildings with 1,000 or more total occupants.

Exception: Where each sleeping unit has
direct access to the outside of the building at ground level.

(a)
4604.5.1
Emergency power duration and installation. In other than Group I-2, the
emergency power system shall provide power for not less than 60 minutes and
consist of storage batteries, unit equipment or an on-site generator. In Group
I-2, the emergency power system shall provide power for not less than 90
minutes and consist of storage batteries, unit equipment or an on-site
generator.

The installation of the emergency power
system shall be in accordance with paragraph (D)(604) of rule
1301:7-7-06 of the
Administrative Code.

(6)
4604.6 Guards.
Guards complying with this paragraph shall be provided at the open sides of
means of egress that are more than 30 inches (762 mm) above the floor or grade
below.

(a)
4604.6.1 Height of guards. Guards shall form a protective barrier not less than
42 inches (1067 mm) high.

Exceptions:

1.
Existing guards
on the open side of stairs shall be not less than 30 inches (760 mm)
high.

2.
Existing guards within dwelling units shall be not
less than 36 inches (910 mm) high.

(b)
4604.6.2 Opening
limitations. Open guards shall have balusters or ornamental patterns such that
a 6-inch diameter (152 mm) sphere cannot pass through any opening up to a
height of 34 inches (864 mm).

Exceptions:

1.
At elevated
walking surfaces for access to, and use of electrical, mechanical or plumbing
systems or equipment, guards shall have balusters or be of solid materials such
that a sphere with a diameter of 21 inches (533 mm) cannot pass through any
opening.

2.
In occupancies in Group I-3, F, H or S, the clear
distance between intermediate rails measured at right angles to the rails shall
not exceed 21 inches (533 mm).

(7)
4604.7 Minimum
required egress width. The means of egress width shall not be less than as
required by the code under which constructed but not less than as required by
this paragraph. The total width of means of egress in inches (mm) shall not be
less than the total occupant load served by the means of egress multiplied by
the factors in Table 4604.7 of this rule and not less than specified elsewhere
in this paragraph. Multiple means of egress shall be sized such that the loss
of any one means of egress shall not reduce the available capacity to less than
50 per cent of the required capacity. The maximum capacity required from any
story of a building shall be maintained to the termination of the means of
egress.

Table 4604.7 Egress width per occupant
served

Occupancy

Without sprinkler
system

With sprinkler
systema

Other egress components (inches
per occupant)

Stairways (inches per
occupant)

Other egress components (inches
per occupant)

Occupancies other than those
listed below

0.3

0.2

0.2

0.15

Hazardous: H-1, H-2, H-3 and
H-4

Not permitted

Not permitted

0.3

0.2

Institutional: I-2

Not permitted

Not permitted

0.3

0.2

For SI: 1 inch = 25.4 mm.

a.
Buildings
equipped throughout with an automatic sprinkler system in accordance with
paragraph (C)(3)(a)(i)(903.3.1.1) or (C)(3)(a)(ii)(903.3.1.2) of rule
1301:7-7-09 of the
Administrative Code.

(8)
4604.8 Size of
doors. The minimum width of each door opening shall be sufficient for the
occupant load thereof and shall provide a clear width of not less than 28
inches (711 mm). Where this paragraph requires a minimum clear width of 28
inches (711 mm) and a door opening includes two door leaves without a mullion,
one leaf shall provide a clear opening width of 28 inches (711 mm). The maximum
width of a swinging door leaf shall be 48 inches (1219 mm) nominal. Means of
egress doors in an occupancy in Group I-2 used for the movement of beds shall
provide a clear width not less than 41.5 inches (1054 mm). The height of doors
shall not be less than 80 inches (2032 mm).

Exceptions:

1.
The minimum and
maximum width shall not apply to door openings that are not part of the
required means of egress in occupancies in Groups R-2 and R-3.

2.
Door openings to
storage closets less than 10 square feet ( 0.93
m2) in area shall not
be limited by the minimum width.

3.
Width of door
leafs in revolving doors that comply with paragraph (H)(1)(d)(i)(1008 1 41) of
rule 1301:7-7-10 of the
Administrative Code shall not be limited.

4.
Door openings
within a dwelling unit shall not be less than 78 inches (1981 mm) in
height.

5.
Exterior door openings in dwelling units, other than
the required exit door, shall not be less than 76 inches (1930 mm) in
height.

(9)
4604.9 Opening force for doors. The opening force for interior side-swinging
doors without closers shall not exceed a 5-pound (22 N) force. For other
side-swinging, sliding and folding doors, the door latch shall release when
subjected to a force of not more than 15 pounds (66 N). The door shall be set
in motion when subjected to a force not exceeding 30 pounds (133 N). The door
shall swing to a full-open position when subjected to a force of not more than
50 pounds (222 N). Forces shall be applied to the latch side.

1.
A revolving door
shall not be located within 10 feet (3048 mm) of the foot or top of stairs or
escalators. A dispersal area shall be provided between the stairs or escalators
and the revolving doors.

2.
The revolutions per minute for a revolving door shall
not exceed those shown in Table 4604.10 of this rule.

3.
Each revolving
door shall have a conforming side-hinged swinging door in the same wall as the
revolving door and within 10 feet (3048 mm).

Exceptions:

1.
A revolving door
is permitted to be used without an adjacent swinging door for street floor
elevator lobbies provided a stairway, escalator or door from other parts of the
building does not discharge through the lobby and the lobby does not have any
occupancy or use other than as a means of travel between elevators and a
street.

2.
Existing revolving doors where the number of revolving
doors does not exceed the number of swinging doors within 20 feet (6096
mm).

Table 4604.10 Revolving door
speeds

Inside diameter

Power-driven-type speed control
(RPM)

Manual-type speed control
(RPM)

6'6"

11

12

7'0"

10

11

7'6"

9

11

8'0"

9

10

8'6"

8

9

9'0"

8

9

9'6"

7

8

10'0"

7

8

For SI: 1 inch = 25.4 mm, 1 foot =
304.8 mm.

(a)
4604.9.1 Egress component. A revolving used as a
component of a means of egress shall comply with paragraph (D)(10)( 4604.10 )
of this rule and all of the following conditions:

(i)
Revolving doors
shall not be given credit for more than 50-person of the required egress
capacity.

(ii)
Each revolving door shall be credited with not more
than a 50 person capacity.

(iii)
Revolving
doors shall be capable of being collapsed when a force of not more than 130
pounds (578 N) is applied within 3 inches (76 mm) of the outer edge of a
wing.

(11)
4604.11 Stair
dimensions for existing stairs. Existing stairs in buildings shall be permitted
to remain if the rise does not exceed 8 1/4 inches (210 mm) and the run is not
less than 9 inches (229 mm). Existing stairs can be rebuilt.

Exception: Other stairs approved by the
fire code official.

(a)
4604.11.1 Dimensions for replacement stairs. The
replacement of an existing stairway in a structure shall not be required to
comply with the new stairway requirements of paragraph (I)(1009) of rule
1301:7-7-10 of the
Administrative Code where the existing space and construction will not allow a
reduction in pitch or slope.

(12)
4604.12
Winders. Existing winders shall be allowed to remain in use if they have a
minimum tread depth of 6 inches (152 mm) and a minimum tread depth of 9 inches
(229 mm) at a point 12 inches (305 mm) from the narrowest edge.

(13)
4604.13 Circular stairways. Existing circular stairs shall be allowed to
continue in use provided the minimum depth of tread is 10 inches (254 mm) and
the smallest radius shall not be less than twice the width of the
stairway.

(14)
4604.14 Stairway handrails. Stairways shall have
handrails on at least one side. Handrails shall
be located so that all portions of the stairway width required for egress
capacity are within 44 inches (1118 mm) of a handrail.

Exception: Aisle stairs provided with a
center handrail are not required to have additional handrails.

(15)
4604.15 Slope of ramps. Ramp runs utilized as part of
a means of egress shall have a running slope not steeper than one unit vertical
in 10 units horizontal (10-per cent slope). The slope of other ramps shall not
be steeper than one unit vertical in eight units horizontal ( 12.5 -per cent
slope).

(16)
4604.16 Width of ramps. Existing ramps are permitted
to have a minimum width of 30 inches (762 mm) but not less than the width
required for the number of occupants served as determined by paragraph
(E)(1)(1005 1) of rule
1301:7-7-10 of the
Administrative Code.

(d)
4604.17.4
Access. Access to a fire escape from a corridor shall not be through an
intervening room. Access to a fire escape stair shall be from a door or window
meeting the criteria of paragraph (E)(1)(1005 1) of rule
1301:7-7-10 of the
Administrative Code. Access to a fire escape stair shall be directly to a
balcony, landing or platform. These shall be no higher than the floor or window
sill level and no lower than 8 inches(203 mm) below the floor level or 18
inches (457 mm) below the window sill.

(e)
4604.17.5
Materials and strength. Components of fire escape stairs shall be constructed
of noncombustible materials. Fire escape stairs and balconies shall support the
dead load plus a live load of not less than 100 pounds per square foot ( 4.78
kN/m2). Fire escape
stairs and balconies shall provided with a top and intermediate handrail on
each side. The fire code official is authorized to require testing or other
satisfactory evidence that an existing fire escape stair meets the requirements
of this paragraph.

(f)
4604.17.6 Termination. The lowest balcony shall not be
more than 18 feet (5486 mm) from the ground. Fire escape stairs shall extend to
the ground or be provided with counterbalanced stairs reaching the
ground.

Exception: For fire escape stairs
serving 10 or fewer occupants, an approved fire escape ladder is allowed to
serve as the termination.

(g)
4604.17.7
Maintenance. Fire escapes shall be kept clear and unobstructed at all times and
shall be maintained in good working order.

(18)
4604.18
Corridors. Corridors serving an occupant load greater than 30 and the openings
therein shall provide an effective barrier to resist the movement of smoke.
Transoms, louvers, doors and other openings shall be closed or
self-closing.

Exceptions:

1.
Corridors in
occupancies other than in Group H, which are equipped throughout with an
approved automatic sprinkler system.

2.
Patient room
doors in corridors in occupancies in Group I-2 where smoke barriers are
provided in accordance with the building code as listed in rule
1301:7-7-47 of the
Administrative Code.

3.
Corridors in occupancies in Group E where each room
utilized for instruction or assembly has at least one-half of the required
means of egress doors opening directly to the exterior of the building at
ground level.

4.
Corridors that are in accordance with the building
code as listed in rule
1301:7-7-47 of the
Administrative Code.

(a)
4604.18.1 Corridor openings. Openings in corridor
walls shall comply with the requirements of the building code as listed in rule
1301:7-7-47 of the
Administrative Code.

4.
Opening protection is not required when the building
is equipped throughout with an approved automatic sprinkler system.

(b)
4604.18.2 Dead ends. Where more than one exit or exit
access doorway is required, the exit access shall be arranged such that dead
ends do not exceed the limits specified in Table 4604.18.2 of this rule.

Exception: A dead-end passageway or
corridor shall not be limited in length where the length of the dead-end
passageway or corridor is less than 2.5 times the least width of the dead-end
passageway or corridor.

a.
20 feet
for common path serving 50 or more persons; 75 feet for common path serving
less than 50 persons.

b.
See paragraph (BB)(9)(e)(1028 9.5 ) of rule
1301:7-7-10 of the
Administrative Code for dead-end aisles in Group A occupancies.

c.
This
dimension is for the total travel distance, assuming incremental portions have
fully utilized their allowable maximums. For travel distance within the room,
and from the room exit access door to the exit, see the appropriate occupancy
rule.

d.
See the building code as listed in rule
1301:7-7-47 of the
Administrative Code for special requirements on spacing of doors in aircraft
hangars.

e.
Any patient sleeping room, or any suite that includes
patient sleeping rooms, of more than 1,000 square feet (93
m2) shall have at
least two exit access doors placed a distance apart equal to not less than
one-third of the length of the maximum overall diagonal dimension of the
patient sleeping room or suite to be served, measured in a straight line
between exit access doors.

NR = No requirements.

(c)
4604.18.3 Exit access travel distance. Exits shall be
located so that the maximum length of exit access travel, measured from the
most remote point to an approved exit along the natural and unobstructed path
of egress travel, does not exceed the distances given in Table 4604.18.2 of
this rule.

(d)
4604.18.4 Common path of egress travel. The common
path of egress travel shall not exceed the distances given in Table 4604.18.2
of this rule.

(19)
4604.19
Stairway discharge identification. A stairway in an exit enclosure which
continues below the level of exit discharge shall be arranged and marked to
make the direction of egress to a public way readily identifiable.

Exception: Stairs that continue
one-half story beyond their levels of exit discharge need not be provided with
barriers where the exit discharge is obvious.

(20)
4604.20
Exterior stairway protection. Exterior exit stairs shall be separated from the
interior of the building as required in paragraph (Z)(6)( 1026.6 ) of rule
1301:7-7-10 of the
Administrative Code. Openings shall be limited to those necessary for egress
from normally occupied spaces.

Exceptions:

1.
Separation from
the interior of the building is not required for buildings that are two stories
or less above grade where the level of exit discharge serving such occupancies
is the first story above grade.

2.
Separation from
the interior of the building is not required where the exterior stairway is
served by an exterior balcony that connects two remote exterior stairways or
other approved exits, with a perimeter that is not less than 50 per cent open.
To be considered open, the opening shall be a minimum of 50 per cent of the
height of the enclosing wall, with the top of the opening not less than 7 feet
(2134 mm) above the tope of the balcony.

3.
Separation from
the interior of the building is not required for an exterior stairway located
in a building or structure that is permitted to have unenclosed interior
stairways in accordance with paragraph (V)(1022) of rule
1301:7-7-10 of the
Administrative Code.

4.
Separation from the interior of the building is not
required for exterior stairways connected to open-ended corridors, provided
that:

4.1.
The building, including corridors and stairs, is
equipped throughout with an automatic sprinkler system in accordance with
paragraph (C)(3)(a)(i)(903.3.1.1) or (C)(3)(a)(ii)(903.3.1.2) of rule
1301:7-7-09 of the
Administrative Code.

4.2.
The open-ended corridors comply with paragraph
(R)(1018) of rule
1301:7-7-10 of the
Administrative Code.

4.3.
The open-ended corridors are connected on each end to
an exterior exit stairway complying with paragraph (Z)(1026) of rule
1301:7-7-10 of the
Administrative Code.

4.4.
At any location in an open-ended corridor where a
change of direction exceeding 45 degrees occurs, a clear opening of not less
than 35 square feet (3 m2) or an exterior stairway shall be provided. Where clear
openings are provided, they shall be located so as to minimize the accumulation
of smoke or toxic gases.

(a)
4605.1.1 Access to piles. Access roadways shall be
within 150 feet (45 720 mm) of any point in the storage yard where storage
piles are located, at least 20 feet (6096 mm) from any storage pile.

(b)
4605.1.2 Location within piles. Fire apparatus access roads shall be located
within all pile clearances identified in paragraph (E)(4)( 2505.4 ) of rule
1301:7-7-25 of the
Administrative Code and within all fire breaks required in paragraph (E)(5)(
2505.5 ) of rule
1301:7-7-25 of the
Administrative Code.